Global Patent Index - EP 0425266 A2

EP 0425266 A2 19910502 - Liquid crystal projection display apparatus.

Title (en)

Liquid crystal projection display apparatus.

Title (de)

Projektions-Anzeigevorrichtung mit Flüssigkristall.

Title (fr)

Dispositif d'affichage par projection à cristal liquide.

Publication

EP 0425266 A2 19910502 (EN)

Application

EP 90311646 A 19901024

Priority

JP 28054989 A 19891026

Abstract (en)

In a liquid crystal projection display apparatus, light emitted from a light source is separated to direct to pixels of a liquid crystal display element and condensed at the center of each pixel with a first microlens array, the light passed through the liquid crytal display element is converted into approximately parallel rays with a second microlens array.

IPC 1-7

G02F 1/1335; H04N 5/74

IPC 8 full level

G02F 1/13 (2006.01); G02F 1/1335 (2006.01); G03B 21/00 (2006.01); G09F 9/00 (2006.01); H04N 5/74 (2006.01)

CPC (source: EP US)

G02F 1/133526 (2013.01 - EP US); H04N 5/7441 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0425266 A2 19910502; EP 0425266 A3 19911227; JP H03140920 A 19910614; US 5126863 A 19920630

DOCDB simple family (application)

EP 90311646 A 19901024; JP 28054989 A 19891026; US 60098690 A 19901023